Put the Verbs in brackets in the required forms of the Tense and Voice and translate into Ukrainian 1. He (not to participate) in the work of any international scientific conference yet. 2. They just (to invite) to participate in the work of a seminar on some urgent problems of biophysics. 3. In publications of that institute much space (to devote) unusually to problems of space research. 4. The Russian Academy of Sciences (to open) in 1725.5. He (to appoint) head of Doctor in mathematics. 6. Don't switch on the light. The experiment (to carry out) in complete darkness.